Y \ X
4450
4451
4452
4453
4454
4455
4456
4457
4458
4459
4460
4461
4462
4463
4464
4465
4466
4467
4468
4469
4470
4471
4472
4473
4474
4475
4476
4477
4478
4479
4480
4481
4482
4483
4484
4485
4486
4487
4488
4489
4490
12020
12019
12018
12017
12016
12015
12014
12013
12012
12011
12010
12009
12008
12007
12006
12005
12004
12003
12002
12001
12000